Turning P-Loop Help

Programming Support PROS Support
3 
void setDrive (float left, float right){
        LBM.move_velocity(left);
        LFM.move_velocity(left);
        RBM.move_velocity(right);
        RFM.move_velocity(right);
}

void turn (double target){
  double currentAngle=gyro.get_rotation();

  double power, threshold = 1.2;
  double kP = .835;

  while (fabs(currentAngle) > threshold ){
      currentAngle = gyro.get_rotation(); //ditto
      
      power = kP*(target-currentAngle); //error*constant

      if (currentAngle > target) { 
        setDrive(power,-power); //turn right
      }else{
        setDrive(-power,power); //ditto
      }

       //debug
      printf("Target (%f)", target);
      printf("CURRENTANGLE (%f)", currentAngle);
      printf("Power (%f)", power);

      pros::delay(5);
  }
setDrive(0,0);
}

Here, I simplified your code and made it easier for you to debug. Notice how I eliminated redundancies –– you’ll want to do that so you can catch your mistakes more easily. You also might want to include comments.